diff --git a/src/leon/src/cent.c b/src/leon/src/cent.c
index b882c56..84fd8d0 100644
--- a/src/leon/src/cent.c
+++ b/src/leon/src/cent.c
@@ -178,7 +178,7 @@ int main( int argc, char *argv[])
    char tempArg[8], *nextChar;
    enum { ELT_CENTRALIZER, ELT_CONJUGATE, GROUP_CENTRALIZER} computationType =
                                                              ELT_CENTRALIZER;
-   char comment[100];
+   char comment[1024];
 
    /* Check whether the first parameter is conj or group.  If so, a conjugacy
       (rather than centralizer) or group centralizer computation will be
diff --git a/src/leon/src/cjrndper.c b/src/leon/src/cjrndper.c
index 69ecef4..113dd81 100644
--- a/src/leon/src/cjrndper.c
+++ b/src/leon/src/cjrndper.c
@@ -100,7 +100,7 @@ int main(
    Partition *partn;
    Matrix_01 *matrix, *matrixConjugated;
    Code *C, *CConjugated;
-   char comment[255];
+   char comment[1024];
    BOOLEAN baseSgsFlag = FALSE, imageFormatFlag = FALSE, cjperFlag = FALSE,
            monomialFlag = FALSE;
    UnsignedS *newCellNumber;
diff --git a/src/leon/src/commut.c b/src/leon/src/commut.c
index 252f8e7..46525da 100644
--- a/src/leon/src/commut.c
+++ b/src/leon/src/commut.c
@@ -66,7 +66,7 @@ int main( int argc, char *argv[])
         commutatorName[MAX_NAME_LENGTH+1] = "";
    PermGroup *G, *H, *C;
    BOOLEAN imageFormatFlag = FALSE, HnotequalG, quietFlag, normalClosureFlag;
-   char comment[100];
+   char comment[1024];
 
    /* If no arguments (except possibly -ncl) are given, provide help and exit. */
    if ( argc == 1 ) {
diff --git a/src/leon/src/desauto.c b/src/leon/src/desauto.c
index 5c6cd1a..13c7a80 100644
--- a/src/leon/src/desauto.c
+++ b/src/leon/src/desauto.c
@@ -202,7 +202,7 @@ int main( int argc, char *argv[])
    char tempArg[8];
    enum { DESIGN_AUTO, DESIGN_ISO, MATRIX_AUTO, MATRIX_ISO, CODE_AUTO,
           CODE_ISO} computationType = DESIGN_AUTO;
-   char comment[100];
+   char comment[1024];
 
    /* Check whether the first parameters are iso, code, or matrix.
       Set the computation type. */
diff --git a/src/leon/src/generate.c b/src/leon/src/generate.c
index 9dc7b42..557b5e5 100644
--- a/src/leon/src/generate.c
+++ b/src/leon/src/generate.c
@@ -173,7 +173,7 @@ int main( int argc, char *argv[])
            noBackupFlag;
    Unsigned trimStrGenSet1, trimStrGenSet2;
    PermGroup *G, *containingGroup;
-   char comment[60] = "";
+   char comment[1024] = "";
    UnsignedS *pointList = allocIntArrayBaseSize();
    char tempStr[12];
    char *strPtr, *commaPtr;
diff --git a/src/leon/src/inter.c b/src/leon/src/inter.c
index a7a3c19..abb9ef6 100644
--- a/src/leon/src/inter.c
+++ b/src/leon/src/inter.c
@@ -159,7 +159,7 @@ int main( int argc, char *argv[])
         suffix[MAX_NAME_LENGTH];
    PermGroup *G, *E, *G_pP, *L = NULL;
    BOOLEAN imageFlag = FALSE, imageFormatFlag = FALSE;
-   char comment[100];
+   char comment[1024];
 
    /* Provide usage information if no options are specified. */
    if ( argc == 1 ) {
diff --git a/src/leon/src/orbdes.c b/src/leon/src/orbdes.c
index 75f255f..d597439 100644
--- a/src/leon/src/orbdes.c
+++ b/src/leon/src/orbdes.c
@@ -50,7 +50,7 @@ int main( int argc, char *argv[])
         designFileName[MAX_FILE_NAME_LENGTH] = "",
         permGroupLibraryName[MAX_NAME_LENGTH] = "",
         designLibraryName[MAX_NAME_LENGTH] = "";
-   char comment[60];
+   char comment[1024];
    Unsigned orbRep, i, j, pt, basePt, processed, found, img, optionCountPlus1;
    char *flag;
    Unsigned *pointList;
diff --git a/src/leon/src/setstab.c b/src/leon/src/setstab.c
index bc79a4a..b1e13e7 100644
--- a/src/leon/src/setstab.c
+++ b/src/leon/src/setstab.c
@@ -187,7 +187,7 @@ int main( int argc, char *argv[])
    char tempArg[8];
    enum { SET_STAB, SET_IMAGE, PARTN_STAB, PARTN_IMAGE,
           UPARTN_STAB, UPARTN_IMAGE} computationType = SET_STAB;
-   char comment[100];
+   char comment[1024];
 
    /* Check whether the first parameter is Image or (U)Partn, and if so whether
       the second parameter is Image or (U)Partn.  If so, a set image, partition
diff --git a/src/leon/src/wtdist.c b/src/leon/src/wtdist.c
index ff1e661..c7b4c79 100644
--- a/src/leon/src/wtdist.c
+++ b/src/leon/src/wtdist.c
@@ -148,7 +148,7 @@ int main( int argc, char *argv[])
    Matrix_01 *matrix;
    BOOLEAN saveCodeWords, oneCodeWordOnly, defaultForBinaryProcedure,
            useBinaryProcedure = FALSE, cWtDistFlag;
-   char comment[100];
+   char comment[1024];
    unsigned long *freq = malloc( (MAX_CODE_LENGTH+2) * sizeof(unsigned long));
 
    /* Provide help if no arguments are specified. */