diff --git a/ld/emulparams/arm_epoc_pe.sh b/ld/emulparams/arm_epoc_pe.sh
index 816fa2a6094..8911d8d12dd 100644
--- a/ld/emulparams/arm_epoc_pe.sh
+++ b/ld/emulparams/arm_epoc_pe.sh
@@ -4,3 +4,5 @@ OUTPUT_FORMAT="epoc-pei-arm-little"
 LITTLE_OUTPUT_FORMAT="epoc-pei-arm-little"
 BIG_OUTPUT_FORMAT="epoc-pei-arm-big"
 TEMPLATE_NAME=pe
+SUBSYSTEM=PE_DEF_SUBSYSTEM
+INITIAL_SYMBOL_CHAR=\"_\"
diff --git a/ld/emulparams/armpe.sh b/ld/emulparams/armpe.sh
index 22468050e54..383d7619e98 100644
--- a/ld/emulparams/armpe.sh
+++ b/ld/emulparams/armpe.sh
@@ -4,3 +4,5 @@ OUTPUT_FORMAT="pei-arm-little"
 LITTLE_OUTPUT_FORMAT="pei-arm-little"
 BIG_OUTPUT_FORMAT="pei-arm-big"
 TEMPLATE_NAME=pe
+SUBSYSTEM=PE_DEF_SUBSYSTEM
+INITIAL_SYMBOL_CHAR=\"_\"
diff --git a/ld/emulparams/i386pe.sh b/ld/emulparams/i386pe.sh
index e5df29f26ed..582eed2c852 100644
--- a/ld/emulparams/i386pe.sh
+++ b/ld/emulparams/i386pe.sh
@@ -4,5 +4,5 @@ OUTPUT_FORMAT="pei-i386"
 RELOCATEABLE_OUTPUT_FORMAT="pe-i386"
 TEMPLATE_NAME=pe
 ENTRY="___mainCRTStartup"
-SUBSYSTEM=3
+SUBSYSTEM=PE_DEF_SUBSYSTEM
 INITIAL_SYMBOL_CHAR=\"_\"
diff --git a/ld/emulparams/mcorepe.sh b/ld/emulparams/mcorepe.sh
index b5baee9ea70..a151e37eded 100644
--- a/ld/emulparams/mcorepe.sh
+++ b/ld/emulparams/mcorepe.sh
@@ -4,3 +4,5 @@ OUTPUT_FORMAT="pei-mcore-big"
 LITTLE_OUTPUT_FORMAT="pei-mcore-little"
 BIG_OUTPUT_FORMAT="pei-mcore-big"
 TEMPLATE_NAME=pe
+SUBSYSTEM=PE_DEF_SUBSYSTEM
+INITIAL_SYMBOL_CHAR=\"_\"
diff --git a/ld/emulparams/ppcpe.sh b/ld/emulparams/ppcpe.sh
index 655282d3fc3..9a5521cacfe 100644
--- a/ld/emulparams/ppcpe.sh
+++ b/ld/emulparams/ppcpe.sh
@@ -2,3 +2,5 @@ ARCH=powerpc
 SCRIPT_NAME=ppcpe
 OUTPUT_FORMAT="pei-powerpcle"
 TEMPLATE_NAME=pe
+SUBSYSTEM=PE_DEF_SUBSYSTEM
+INITIAL_SYMBOL_CHAR=\"_\"