diff --git a/docker/Makefile b/docker/Makefile
index 9251bb7a8a..b52bafc1d9 100644
--- a/docker/Makefile
+++ b/docker/Makefile
@@ -2,16 +2,16 @@
 .PHONY: ubuntu plumed2.tgz clean centos7 fedora37 rocky8
 
 ubuntu: plumed2.tgz
-	docker build -t plumed .
+	docker build --shm-size 1024M -t plumed .
 
 centos7: plumed2.tgz
-	docker build -t plumed -f centos7 .
+	docker build --shm-size 1024M -t plumed -f centos7 .
 
 fedora37: plumed2.tgz
-	docker build -t plumed -f fedora37 .
+	docker build --shm-size 1024M -t plumed -f fedora37 .
 
 rocky8: plumed2.tgz
-	docker build -t plumed -f rocky8 .
+	docker build --shm-size 1024M -t plumed -f rocky8 .
 
 plumed2.tgz:
 	cd ../ ; git archive HEAD -o "$(CURDIR)"/plumed2.tgz --prefix plumed2/ ; cd -