diff --git a/.github/dockerfiles/Dockerfile.64-bit b/.github/dockerfiles/Dockerfile.64-bit
index a8e0a4c7f8c6..bebdf4ca1f87 100644
--- a/.github/dockerfiles/Dockerfile.64-bit
+++ b/.github/dockerfiles/Dockerfile.64-bit
@@ -22,7 +22,7 @@ RUN if [ ! -f Makefile ]; then \
       find . -type f -newer README.md | xargs tar --transform 's:^./:otp/:' -cf ../otp_cache.tar; \
     fi && \
     sudo apt-get update && sudo apt-get install -y tree && \
-    V=1 MAKEFLAGS= make --debug=basic && make docs DOC_TARGETS=chunks && \
+    V=1 MAKEFLAGS= ERL_AFLAGS='-eval "dbg:tracer(),dbg:p(all,c),dbg:tpl(epp,expand_lib_dir,x),dbg:tpl(epp,scan_include_lib1,x),dbg:tpl(epp,enter_file2,x),dbg:tp(file,path_open,x),dbg:tp(file,open,x)."' make --debug=basic && make docs DOC_TARGETS=chunks && \
     sudo make install install-docs DOC_TARGETS=chunks
 
 ## Disable -Werror as testcases do not compile with it on
diff --git a/lib/observer/src/Makefile b/lib/observer/src/Makefile
index 1dc79290b060..5c69df4ca9e5 100644
--- a/lib/observer/src/Makefile
+++ b/lib/observer/src/Makefile
@@ -130,9 +130,10 @@ ERL_COMPILE_FLAGS += \
 # ----------------------------------------------------
 $(TYPES): $(TARGET_FILES)
 
-$(EBIN)/etop.beam: $(ESRC)/etop.erl
-	#ERL_AFLAGS='-eval "dbg:tracer(),dbg:p(all,c),dbg:tpl(epp,[{'"'"'_'"'"',[],[{exception_trace},{message, {current_stacktrace}}]}])."'
-	ERL_AFLAGS='-eval "dbg:tracer(),dbg:p(all,c),dbg:tpl(epp,expand_lib_dir,x),dbg:tpl(epp,scan_include_lib1,x),dbg:tpl(epp,enter_file2,x),dbg:tp(file,path_open,x),dbg:tp(file,open,x)."' erlc $(ERL_COMPILE_FLAGS) -o$(EBIN) $<
+# $(EBIN)/etop.beam: $(ESRC)/etop.erl
+# 	#ERL_AFLAGS='-eval "dbg:tracer(),dbg:p(all,c),dbg:tpl(epp,[{'"'"'_'"'"',[],[{exception_trace},{message, {current_stacktrace}}]}])."'
+# 	export ERL_AFLAGS='-eval "dbg:tracer(),dbg:p(all,c),dbg:tpl(epp,expand_lib_dir,x),dbg:tpl(epp,scan_include_lib1,x),dbg:tpl(epp,enter_file2,x),dbg:tp(file,path_open,x),dbg:tp(file,open,x)."'
+# 	$(V_ERLC) $(ERL_COMPILE_FLAGS) -o$(EBIN) $<
 
 clean:
 	rm -f $(TARGET_FILES)