diff --git a/src/Makefile.in b/src/Makefile.in
index 3ab47084693da799ade606c313ccfa2ead14666f..c1c088327d7c100728fd2a7f50700a72bd14f188 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -58,7 +58,7 @@ LDFLAGS=$(CFLAGS) @LDFLAGS@ @LINKFORSHARED@
 
 RUNPIKE=$(TMP_BUILDDIR)/pike -DNOT_INSTALLED -m $(TMP_LIBDIR)/master.pike -M$(TMP_BUILDDIR)/modules $(PIKEOPTS)
 
-MAKE_FLAGS = "prefix=$(prefix)" "exec_prefix=$(exec_prefix)" "CC=$(CC)" "OTHERFLAGS=$(OTHERFLAGS)" "TMP_BINDIR=$(TMP_BINDIR)" "DEFINES=$(DEFINES)" "TMP_LIBDIR=$(TMP_LIBDIR)" "RUNPIKE=$(RUNPIKE)"
+MAKE_FLAGS = "prefix=$(prefix)" "exec_prefix=$(exec_prefix)" "CC=$(CC)" "OTHERFLAGS=$(OTHERFLAGS)" "TMP_BINDIR=$(TMP_BINDIR)" "DEFINES=$(DEFINES)" "TMP_LIBDIR=$(TMP_LIBDIR)" "RUNPIKE=$(RUNPIKE)" "INSTALL=$(INSTALL)"
 
 # Add alloca.o if you don't have alloca() on your machine.
 # Add ualarm.o if you don't have ualarm() on your machine.
diff --git a/src/modules/Makefile.in b/src/modules/Makefile.in
index ddd99a4c2d3011572d31a1d4887b890b19872a45..b593ad83d9f20b2fcc476007696276458cc6c7fd 100644
--- a/src/modules/Makefile.in
+++ b/src/modules/Makefile.in
@@ -4,7 +4,7 @@ MODULES=@subdirs@
 MODULE_SEGMENTS=@MODULE_SEGMENTS@
 MODULE_LINKOPTS=@MODULE_LINKOPTS@
 
-MAKE_FLAGS = "prefix=$(prefix)" "exec_prefix=$(exec_prefix)" "CC=$(CC)" "OTHERFLAGS=$(OTHERFLAGS)" "TMP_BINDIR=$(TMP_BINDIR)" "TMP_LIBDIR=$(TMP_LIBDIR)" "RUNPIKE=$(RUNPIKE)" "DEFINES=$(DEFINES)"
+MAKE_FLAGS = "prefix=$(prefix)" "exec_prefix=$(exec_prefix)" "CC=$(CC)" "OTHERFLAGS=$(OTHERFLAGS)" "TMP_BINDIR=$(TMP_BINDIR)" "TMP_LIBDIR=$(TMP_LIBDIR)" "RUNPIKE=$(RUNPIKE)" "DEFINES=$(DEFINES)" "INSTALL=$(INSTALL)"
 
 all: modules