diff --git a/RepositoryExternal.mk b/RepositoryExternal.mk
index 405ad054510e..1f36dda8f202 100644
--- a/RepositoryExternal.mk
+++ b/RepositoryExternal.mk
@@ -90,12 +90,21 @@ endif # SYSTEM_MDDS
 
 ifneq ($(SYSTEM_GLM),)
 
-gb_LinkTarget__use_glm_headers :=
+define gb_LinkTarget__use_glm_headers
+$(call gb_LinkTarget_add_defs,$(1),\
+    -DGLM_FORCE_CTOR_INIT \
+)
+
+endef
+
 gb_ExternalProject__use_glm_headers :=
 
 else
 
 define gb_LinkTarget__use_glm_headers
+$(call gb_LinkTarget_add_defs,$(1),\
+    -DGLM_FORCE_CTOR_INIT \
+)
 $(call gb_LinkTarget_use_unpacked,$(1),glm)
 $(call gb_LinkTarget_set_include,$(1),\
 	$(GLM_CFLAGS) \
diff --git a/slideshow/Library_OGLTrans.mk b/slideshow/Library_OGLTrans.mk
index 9b64181d6a46..4eca2a1ecaa3 100644
--- a/slideshow/Library_OGLTrans.mk
+++ b/slideshow/Library_OGLTrans.mk
@@ -17,7 +17,6 @@ endif
 
 $(eval $(call gb_Library_add_defs,OGLTrans,\
     -DGLM_FORCE_RADIANS \
-    -DGLM_FORCE_CTOR_INIT \
 ))
 
 $(eval $(call gb_Library_use_sdk_api,OGLTrans))